Composite heel



April 29, 1924. 1,491,796

' J. B. HADAWAY COMPOSITE HEEL Filed Jan. 5, 1922 Patented Apr. 29, 1924.

UNITED STATES amet PATENT OFFICE.

JOHN B. HADAWAY, OF SWAMPSCOTT, MASSACHUSETTS, ASSIGNOR T0 UNITED SHOE MACHINERY CORPORATION, OF rnrnrason, NEW JERSEY, A CORPORATION OF NEW JERSEY.

comrosrrn HEEL.

Application filed January 8, 1922. Serial No. 526,552.

.To all whom it may concern:

Be it knownthat I, JoHN B. HADAWAY, a citizen of the United States, residing at Swampscott, in the county of Essex and State of Massachusetts, have invented certain Improvements in Composite Heels, of which the following description, in connection with the accompanying drawings, is a specification, like reference characters on the drawings indicating'like parts in the several figures.

This invention relates to heels and, more particularly, to the type of heel which is commonly called a composite heel, that is tosay, a heel having a rigid base section and a resilient, cushion top section.

A large proportion of the shoes manufac tured today have composite heels. Commonly, the base section consists of one or more lifts of leather or leatherboard and the top section is made of rubber. The usual practice in attaching heels of this character is to nail the base to the shoe at one opera- I tion and then to nail the rubber section to the base and shoe in another operation,

I usually with a separate machine. This proc-.

ess is known as double nailing. Some composite heels are attached at a single nailing byv a process disclosed in the Standish Patent, -No. 1,288,253, dated Dec. 17, 1918 but, heretofore, this method has been used only in attaching comparatively low heels, for example, in heeling mens shoes.

In the manufacture of womens shoes requiring comparatively high heels, it is practlcally necessary to prick the heel before the attaching nails are driven. This is conspicuously true when, as is usually the case, the top liftv is small in comparison tothe base lift of the heel. It is then desirable that the attaching nails be driven at an inclination to the tread face of the heel, and it is preferable that they diverge somewhatfrom the top lift toward the base, in order to provide a'solid and secure attachment. The double nailing process has always been'considered necessary when the heel base was pricked,

for the reason that it was impossible to lo- .cate the rubber top section upon the base with sufficient accuracy to insurethat the attaching nails driven through the rubber top" section would enter the prioked nail guiding holes in the base. 7

. The object of the presentinvention is to provide a composite heel having-nail guiding holes in its base section which can be successfully and readily attached at asingle nailing. By this invention it becomes a commercial possibility to realize the advantages and economies of single nailing in attaching heels to womens shoes.

A feature of the invention consists in a heel having a base section provided with nail guiding holes, combined with a top section covering the holes, such, for example, as a rubber or other similar resilient heel section. By locating the top section in exact predetermined relation to the holes in the base the points at which the attaching nails are driven may be located with accuracy and their entrance into the guiding holes in the base may be assured.

To the end that the top section may be readily located with its washers in register with the 'pricked holes in the base, the two sections are preferably formed with co-operating projections and depressions or other equivalent means for determiningtheir relation to each other when assembled. In the illustrated embodiments of the invention the top section is,furthermore, provided with means for. facilitating its correct location with respect to the nails to be driven through it into the nail guiding holes in the base, and such means may conveniently consist of depressions or their equivalent in the tread face, which may serve to determine the locationoffthe heel with respect to the holes in the nailing die of a heeling'machine.

Asa further development of the invention a composite heel is produced whichis adapted for blind single nailing, and in this aspect it comprises a heel base section provided with nail guiding holes in combination with an imperforate top section in which washers maybe embedded and so covered with the rubber as to beinvisible from the tread face of'the heel.

Other features and advantages of the invention will be understood'and appreciated from reading the following detailed description in connection with the accompanying drawings which illustrate certain forms thereof which are specifically different but all of which embody theinventive idea.

In this specification and in the claims annexed thereto, reference is'made' to leather and rubber asmaterials' which may be emof the base section and are accurately 10- understood that these words are used only in an illustrative sense. Where leather is mentioned it is to be understood to include leatherboard, fibreboard or any other equivalent suitable for use in the manufacture. of heel bases, and where rubber is mentioned it is to be understood to include any resilient composition having the characteristics desirable in a cushion or resilient heel,

In the drawings,

Fig. 1 is a plan view of a composite heel embodying the invention in one form;

Fig. 2 is a cross section of the heel-on the line 2-2 of Fig. 1;

Fig. 3 is a fragmentary, sectional view similar to Fig. 2 but showing a modification; 7

Figs. 4; and 5 are views similar to Figs. 1 and 3, respectively, illustrating another modification; and i Figs. 6 and 7 are similar views of still another modification.

Referring now to the drawings, 10 indi-.

tion or lift 14 is placed on top of the base 10 and preferably temporarily attached thereto sufiiciently to maintain the sections in undisturbed relation until the permanent attachment is effected by driving the heel at; taching nails. 16 indicates the usual rubber heel washer and 18 indicates a conical or other.

suitably shaped depression in the tread face of the rubber top. section located coaxially with thewasher, as is common in commercial rubber heels. As illustrated in Figs. 1, 2 and 3, projections or protuberances 20 are molded on the inner .face ofthe rubber heel section 141- in predetermined fixed relation to the washers 16 andv 18. Recesses 22, corresponding in number and arrangement to the protuberances 20, are formedin thetop cated in the same predetermined relation to. the pricked holes 12 as that between the protuberances 20 and the washers and depressions 16, 18. These recesses 22 may conveniently be formed with short awls in the heel pricking machine at the same. time the holes 12are pricked; in this way. it is easy to secure exact and uniform relation between the depressions 22 andv the prickedholes 12;

in all heels. In assemblingv thebase and topv sections the protuberances20 are readily in; serted in the recesses 22 andex act register of the holes in the washers 16 with theholes 12 pricked in the base-beneath is positively assured, so that when theattach-ing nails. are, driventhrough the washers they, cannot.

fail to. enter. the nail guiding holes 12 in the base. If'the protuberances 2l) areinade.

; to sufiiciently. tightlyv in therecesses mesa-rt eef f e p their frictional engagement with the walls of the recesses will be ample to secure the heel sections in assembled relation without the use of cement, but cement may be used if desired. The nail guiding holes 12 are usually pricked at an inclination to the top of the base and penetrate the base to a considerable depth, guiding the nails for a sufficient distance to insure against deflection from their proper paths. The holes 12 preferably diverge from the top toward-the bottom of the base section, as clearly shown in Fig. 2, in order that the pattern of the nailing may cover as large an. area, as possible on'the heel seat, to the end that a solid and secure attachment of the heel shall'be effected. Although the rubber top section 1 1, whenattached tothe base, is imper forate and covers the lnail guidingholes 12, theentrance of the attaching nails into the said holes is assured by' the positive regs ter effected by. the interlocking construction, of the two heel sections. The depressions 18, or their equivalent, may cooperate with a correspondingly formed nail- "in'g die in' a 'heeling machine and thus constitute means for determining the location of the heel with respect to the holes in the nailing die. i

In the modificationof-theinvention shown in 3, the bottom of the depression 18 is imperforate above the washer 16, providing a heel adapted} for blind nailing. lVhen the attaching nails are driven until their heads are seated upon the washers and the drivers withdrawn the rubber closes over the heads'of the'nails, which, are invisible in the 1 attached heel.

In the modification'shown in Figs. t and 5, similarlydisposed holes are formed in the adjacent faces of the. heel. sections 10 and 14 and metal or other pins 2 1 are employed to secure exact and positiveregisterbetween the two heel sections. Otherwise'the construction and arrangement arethe same as in the form of the invention shown in Figs. 1 d 2M In the. modified, form of the invention shownin Figs. '6 and 7 the base section 26 of the heel. i's' formed of asi'ngle piece of comparatively. hard rubberfor other suitable composition or niateri-ah to which the resilien't'top section, 28v canbe vulcanized. The

nail guiding holes 30 :in thisjbase 'may. be :formed- In th Vulcanizing mold and the. de-

pressions. 32in the'tre'ad face .of' thejtop previously, assented, exc pt that the attach 111g nail will. be driven d wn nfit their l ith lat r hard base section 26' wherefthey iwill have s f i en ho di g powe 3 ecu t J "Noj' we ier (ate requ red," in th s.

form of heel and the soft rubber of the top section 28 closes over the heads of the nails, producing a blind nailed heel.

It will be understood from the preceding disclosure that, by the present invention, a composite heel has been produced which can be satisfactorily and enconomically attached to womens shoes or used under any other circumstances requiring a pricked heel and that such a heel can be readily attached at a single nailing, a result never heretofore attained in the art.

Having described the invention, what is claimed as new and desired to be secured by Letters Patent is 1. An unattached heel comprising a base section provided with inclined holes for guiding attaching nails, and an attached top section covering the holes and located in predetermined relation thereto.

2. An unattached heel consisting of a base section provided With empty nail guiding holes and an imperforate top section.

3. A heel comprising a base section provided With nail guiding holes, and a top section having depressions in its tread face in register with said holes but not communicating therewith.

4. A composite heel comprising a pricked base section and a resilient top section, the top section being imperforate and having washers embedded therein in register with the holes pricked in the base.

5. A composite heel, adapted for blind single nailing, comprising a rigid pricked base, and a resilient top section having washers embedded therein in register with the pricked holes in the base, the washers being invisible from the tread face of the top section.

6. A composite heel comprising interlocked base and top sections, the base sec tion being provided with nail guiding holes and the top section having means inpredetermined relation to said holes for de termining the location of the heel with respect to the holes in the nailing die of a heeling machine.

7. An unattached heel comprising a comparatively high base section provided with nail guiding holes penetrating to a considerable depth, and a top section having means for facilitating the correct location of nails to be driven therethrough into the holes in the base section.

8. A multi-section heel comprising a base section provided with inclined nail guiding holes, and a superposed top section having means at its tread face for determinging the locations of the entrances to said holes.

9. A multi-section heel comprising a base section provided with divergent nail guid-- ing holes, and a superposed top section having means at its tread face for determining the locations of said holes.

10. A heel comprising a pricked base section, a resilient top section having-nailing location indications identical in arrangement with the pricked holes in the base, and means for positively determining the location of the top section upon the base with said indications in register with said holes.

In testimony whereof I have signed my name to this specification.

JOHN B. HADAWAY. 

